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Alpha science classroom: Make Your Own Rainbow

Views: 1     Author: Site Editor     Publish Time: 2022-03-02      Origin: Site

The rainbow is one of the most beautiful natural landscapes and a favorite of children, so how are rainbows formed? Today, the alpha science classroom teaches children to make their own rainbow. Through these fun children's physical science experiments, children can learn about the principles of rainbows and wavelengths, as well as unlock the magical mysteries of rainbows. Of course, kids will also be able to count how many colors of the rainbow they make through this kid's science experiments activity.

Alpha Science Classroom: Make Your Own Rainbow, Materials needed.

  • One cup of water (about ¾ full)

  • White paper

  • A sunny day requires

Alpha Science Classroom: Make Your Own Rainbow, a step-by-step tutorial.

Step 1: First, the children take the water cup and paper to a sunny part of the room (near a window is good).

Step 2: Children place the cup of water on the paper (being careful not to spill it) and watch as the sunlight passes through the cup, refracts (bends), and forms a rainbow on the paper.

Make-Your-Own-Rainbow

Step 3: Children try placing the water cup at different heights and angles to see if there are different effects.

    Alpha Science Classroom: Make Your Own Rainbow, Science Principles.

The alpha science classroom shows children that in addition to being beautiful, rainbows are a great example of the dispersion and wavelength spectrum of visible light. Visible light travels as waves, just like sound and ocean waves. Just as we hear different sounds depending on their wavelengths, we see different wavelengths of light as a spectrum from red to blue, which is why we can pick out a yellow jelly bean from a bowl full of different colored candies. The colors of the visible light spectrum are often referred to as ROYGBIV, which stands for: red, orange, yellow, green, blue, indigo and violet. This is the order of visible light wavelengths, starting with red (the longest) and ending with violet (the shortest). This is also the order in which the colors appear in the rainbow!

The rainbow appears when sunlight passes through water droplets suspended in the atmosphere. Each water droplet behaves like a small prism, refracting light and reflecting it back to our eyes. As the sunlight enters the drop, it is first refracted (bent as it enters the drop), then reflected by the inner surface of the drop, causing it to turn around at a (very approximate) 90-degree angle, and then refracted again as it leaves the drop and re-enters the air. That's a lot of jumping around!

Refraction of light is a term that refers to the way light bends as it enters different media. You can observe the refraction of light first-hand by filling a clear glass with water and looking through it. Everything on the other side of the glass will appear slightly misaligned. This is due to light entering the far side of the glass, passing through the water, and then bending on the other side of the glass before reaching your eye.

Different wavelengths of light are bent to different degrees. Shorter wavelengths (such as blue and violet) bend slightly more than longer wavelengths (such as red and orange). When white light (which contains all colors of light) enters the drop and then leaves the drop again, each of the different wavelengths are refracted at a slightly different angle. As a result, the white light is broken down into its component parts and we can see all the colors, creating a beautiful rainbow!

The beautiful rainbow arced through the air, and I believe the children have recorded this beautiful moment, through this children's physical science experiments activity, the children have gained the rainbow and the scientific principles in it, and I believe the children have seen the charm of science. alpha science classroom's kid's science experiments activity, the goal is to unlock the mysteries of science for the children, and at the same time The goal of the alpha science classroom is to unlock the mysteries of science for children and at the same time deliver amazing science fun to children, so that they can learn and grow with joy and grow into the most awesome science person.

alpha science toys have created many children's physical science experiment kits for kids, magical bubbles, exploding colors, and flying mysteries to help kids unlock the mysteries of science one by one and let them grow up with laughter.


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